| Acronym | Meaning |
| SPC | Synoptic Properties Code |
| MIS | Mission Information Subsystem |
| VGZ | Velocity To Be Gained (Body Z-Axis) |
| SIMR | Systems Integration Management Review |
| FD | WMR Food Warmer |
| GND | GrGNDGround |
| CPCL | Computer Program Change Library |
| FUS | Fuselage |
| RTCC | Real-Time Computer Center (NASA) |
| DC | Digital Command Assembly |